Found 3 results
2007
Agricultural Systems
(2007)
Issue:
1
Pages:
2-12
Volume:
94
DOI 10.1016/j.agsy.2005.09.009
1998
Science
(1998)
Issue:
5372
Pages:
2132-2135
Volume:
280
1996
Annals of the Association of American Geographers
(1996)
Issue:
2
Pages:
187-212
Volume:
86